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A man takes photos while walking in the flares' smoke during a demonstration staged by striking workers of the French state-run rail operator SNCF, backed by French unions CGT and Sud-Rail, against reform plans proposed by the French government on June 17, 2014 in Paris. France's longest rail strike in years rolled on for a second week as lawmakers were set to debate a contentious debt-cutting reform plan opposed by unions. AFP PHOTO / FRED DUFOURFRED DUFOUR/AFP/Getty Images

Photo: Fred Dufour, AFP/Getty Images

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A man takes photos while walking in the flares' smoke...

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A man takes photos while walking in the flares'... Photo-6468604.88070 - SFGate

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SALVADOR, BRAZIL - JUNE 17: Fans gather on a hill at Farol da Barra for a Fan Fest prior to the Brazil-Mexico match in the 2014 FIFA World Cup on June 17, 2014 in Salvador, Brazil. Today is the sixth day of the World Cup and the second match for home team Brazil. (Photo by Mario Tama/Getty Images) *** BESTPIX ***

Eric Schroeder reaches for a nearby bow saw in his 90-year-old barn that fell after an early 5 a.m. storm hit the area along County P, east of Clarno, Wis., Tuesday, June 17, 2014. No injuries or death related to the storms had been reported, according to Green County Sheriff Mark Rohloff. (AP Photo/The Monroe Times, Anthony Wahl)

Photo: Anthony Wahl, Associated Press

Eric Schroeder reaches for a nearby bow saw in his 90-year-old barn...

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This handout picture taken and released by the Ukrainian Emergency Service on June 17, 2014 shows a police car parked beside a field near a fire on the gas pipeline the village of Iskivtsi in the Lokhvytsia region. A blast hit a major Ukrainian pipeline on June 16 used to transport Russian natural gas to European clients, Ukrainian police officials said. The Urengoi-Pomary-Uzhgorod Pipeline, also known as the Trans-Siberian Pipeline, was damaged in the northeastern Lokhvytsia region, the local police department said, adding that no one appeared to be injured in the incident. AFP PHOTO / URKAINIAN EMERGENCY PRESS-SERVICE SERVICE
= RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / URKAINIAN EMERGENCY PRESS-SERVICE SERVICE" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS =-/AFP/Getty Images

Photo: -, AFP/Getty Images

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This handout picture taken and released by the Ukrainian...

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This handout picture taken and released by the Ukrainian... Photo-6468606.88070 - SFGate

A fisherman took his kayak to the lake in FDR park in South Philadelphia on Tuesday, June 17, 2014. (AP Photo/The Philadelphia Inquirer, Michael Bryant )

Photo: Michael Bryant, Associated Press

A fisherman took his kayak to the lake in FDR park in South...

A fisherman took his kayak to the lake in FDR park in South... Photo-6468607.88070 - SFGate

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A Chinese student, part of a group of supporters of Chinese Prime Minister Li Keqiang, waves the Chinese national flags as they gather at a counter- demonstration against a protest against the leader across the street from Downing Street in central London, where he was meeting with British Prime Minister David Cameron at his official residence, Tuesday, June 17, 2014. The Chinese leader met with Cameron and other senior government officials, and the two sides are expected to announce a slew of trade and investment deals. (AP Photo/Lefteris Pitarakis)

Photo: Lefteris Pitarakis, Associated Press

A Chinese student, part of a group of supporters of Chinese Prime...

A Chinese student, part of a group of supporters of Chinese Prime... Photo-6468609.88070 - SFGate

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Jeff Cantrell, vice-president of Illinois-based Elastec American Marine, deploys a boom with the use of a Boom Vane during a product demonstration of spill equipment at Packery Channel on Tuesday, June 17, 2014, in Corpus Christi, Texas. The Boom Vane allows for responders to deploy spill response equipment without the use of a boat. (AP Photo/Corpus Christi Caller-Times, Rachel Denny Clow) MANDATORY CREDIT; MAGS OUT; TV OUT

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This photo taken on June 15, 2014 shows a tourist viewing granite rock formations at Lion Peak in the Huangshan (Yellow Mountains) park in Anhui Province. The UNESCO World Heritage Site is one of China's major tourist destinations and has been a source of inspiration to Chinese painters, writers and poets for thousands of years. AFP PHOTO/Mark RALSTONMARK RALSTON/AFP/Getty Images

Photo: Mark Ralston, AFP/Getty Images

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This photo taken on June 15, 2014 shows a tourist viewing...

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This photo taken on June 15, 2014 shows a tourist viewing... Photo-6465740.88070 - SFGate

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Tree yellow butterflies (gancana harina) are pictured at the Amchang wildlife sanctuary in the outskirts of Guwahati, the capital city of Indias northeastern state of Assam, on June 17, 2014. Tree yellow butterflies are indigenous to Thailand, Malayasia, Singapore and northeast India. Assam state is home to more than 750 species of butterflies and 360 species of moths. AFP PHOTO/BIJU BOROBIJU BORO/AFP/Getty Images

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An Indian youth jumps into Arabian Sea near the Haji Ali mosque in Mumbai on June 17, 2014. The India Meteorological Department (IMD) has declared the start of the monsoon season, predicting below-average rainfall. The monsoon season, which runs from June to September, accounts for about 80 percent of India's annual rainfall, vital for a farm economy which lacks adequate irrigation facilities. AFP PHOTO/ PUNIT PARANJPEPUNIT PARANJPE/AFP/Getty Images

Photo: Punit Paranjpe, AFP/Getty Images

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An Indian youth jumps into Arabian Sea near the Haji Ali...

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An Indian youth jumps into Arabian Sea near the Haji Ali... Photo-6468611.88070 - SFGate

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An Israeli soldier checks the documents of a Palestinian driver at an Israeli checkpoint in the West Bank city of Hebron on June 17, 2014, as the hunt for three Israeli teenagers believed kidnapped by Islamist militants entered its fifth day. Thousands of Israel troops engaged in the search for the youths turned their attention during the night to the northern West Bank city of Nablus and surrounding area, arresting 41 Palestinians, the army said. AFP PHOTO/ MENAHEM KAHANAMENAHEM KAHANA/AFP/Getty Images

Photo: Menahem Kahana, AFP/Getty Images

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An Israeli soldier checks the documents of a Palestinian...

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An Israeli soldier checks the documents of a Palestinian... Photo-6468614.88070 - SFGate

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NEW YORK, NY - JUNE 17: Recording artist DJ Tiesto performs as 7UP Presents Tiesto's 'A Town Called Paradise' album release celebration, at Terminal 5 on June 17, 2014 in New York City. (Photo by Michael Loccisano/Getty Images for Tiesto)

Horses are led away from a home on Cabin Lane that was threatened by a brush fire on the nearby L.T. Murray Wildlife Area north of Selah, Wash. June 17, 2014. The fire, the cause of which is under investigation, has burned at least 6,000 acres and destroyed a shop and barn. (AP Photo/Yakima Herald-Republic, Gordon King)

Photo: Gordon King, Associated Press

Horses are led away from a home on Cabin Lane that was threatened...

Horses are led away from a home on Cabin Lane that was threatened... Photo-6468616.88070 - SFGate

AUSTIN, TX - JUNE 07: Riders watch as Steve McCann of Australia warms up for the BMX Big Air Finals during the X Games Austin at Circuit of The Americas on June 7, 2014 in Austin, Texas. (Photo by Ezra Shaw/Getty Images)